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package jdk.graal.compiler.core.amd64;

import jdk.graal.compiler.asm.amd64.AMD64Address;

/**
 * Allows interception of all the operands that use a memory address as source operand during
 * emission.
 */
public interface MemoryReadInterceptor {
    default void interceptMemorySrcOperands(@SuppressWarnings("unused") AMD64Address addr) {
    }

    /**
     * Returns the number of bytes that can be additionally emitted when intercepting the given
     * memory operand.
     *
     * @param address is the address used as memory operand.
     * @return the number of bytes emitted.
     */
    default int extraSourceAddressBytes(@SuppressWarnings("unused") AMD64Address address) {
        return 0;
    }
}
